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SubjectRe: [PATCH net-next v4 2/4] net: socket: add sockopts blacklist for BPF cgroup hook
On Thu, Apr 13, 2023 at 3:35 PM Alexander Mikhalitsyn
<aleksandr.mikhalitsyn@canonical.com> wrote:
>
> During work on SO_PEERPIDFD, it was discovered (thanks to Christian),
> that bpf cgroup hook can cause FD leaks when used with sockopts which
> install FDs into the process fdtable.
>
> After some offlist discussion it was proposed to add a blacklist of

We try to replace this word by either denylist or blocklist, even in changelogs.

> socket options those can cause troubles when BPF cgroup hook is enabled.
>

Can we find the appropriate Fixes: tag to help stable teams ?

> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: Leon Romanovsky <leon@kernel.org>
> Cc: David Ahern <dsahern@kernel.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Kees Cook <keescook@chromium.org>
> Cc: Christian Brauner <brauner@kernel.org>
> Cc: Kuniyuki Iwashima <kuniyu@amazon.com>
> Cc: Lennart Poettering <mzxreary@0pointer.de>
> Cc: linux-kernel@vger.kernel.org
> Cc: netdev@vger.kernel.org
> Cc: linux-arch@vger.kernel.org
> Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
> Suggested-by: Christian Brauner <brauner@kernel.org>
> Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>

Thanks.

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